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The national average price of regular gasoline plunged another 22 cents in the two weeks ended Friday, to $1.75 a gallon, the lowest price in almost five years, according to the latest Lundberg Survey of filling stations released Sunday.

Volvo AB and Daimler AG are producing global heavy-duty engine platforms for use in North America, Europe and Asia, and other manufacturers plan to introduce their own versions, pushed by converging emission regulations, the need to reduce research and development costs and to take advantage of economies of scale, according to industry analysts and executives.

Commissioners at the Port of Long Beach, Calif., on Dec. 1 voted to delay collection of an infrastructure cargo-container fee for at least six months.

President-elect Barack Obama last week proposed a pair of governors to head the departments of ���ϳԹ���land Security and Commerce.

Truckload carrier Celadon Group said it paid $24 million to acquire the truckload, intermodal and brokerage businesses of Continental Express.

Tank and bulk carrier Patriot Transportation Holding earned $3.2 million, or $1.02 a share, in its fiscal fourth quarter, up from $2.3 million, or 74 cents, in the 2007 quarter.

Diesel engine maker Cummins Inc. said Friday it would cut “at least 500 jobs,” or 3.5% of its workforce, by the end of the year, due to “the continued deterioration in the U.S. economy and many other key markets around the world.”

Oil fell almost $3 Friday to close the week near $40 a barrel, the lowest closing price in four years, Bloomberg reported.